Wp/mww/Taw

< Wp | mww
Wp > mww > Taw

Cov ko taw yog ib qho qauv ntawm lub cev muaj nyob hauv ntau cov vertebrates. Nws yog lub davhlau ya nyob twg ntawm ib ceg ceg uas dais qhov hnyav thiab tso cai rau txav mus. Nws thiab yog qhov tso cai rau peb sawv thiab taug kev